Spencer Lin-For Leong, M.D.
Internal Medicine Physician · Spartanburg, SC
Spencer Lin-For Leong, M.D. is an internal medicine physician with a practice address in Spartanburg, South Carolina, and NPI 1275066888, issued on Apr 10, 2017. Check the license (South Carolina 83981, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Spencer Lin-For Leong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 83981 SC
Self-reported in NPPES; status is on the state search - Practice location
- 101 E Wood St Ste 401, Spartanburg, SC 29303
- Phone
- (864) 560-6654
- Enumerated
- Apr 10, 2017
- Record last updated
- Feb 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (864) 560-7353
- Medicare enrollment
- Enrolled (PECOS I20200903001541); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 101 E Wood St Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joia AdamsInternal Medicine Physician1023557691
- Muhammad Asad Aftab, MDHospitalist Physician1922785039
- Mark Alexander, NPNurse Practitioner1871065003
- Wellesley Alexander, MDHospitalist Physician1043288962
- Katherine Andrews, PA-CPhysician Assistant1043789225
- Alexandria BlackNurse Practitioner1306403993
Verify Spencer Lin-For Leong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 83981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
284 Medicare Part D claims for 132 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Furosemide22 claims
- Prednisone17 claims
- Carvedilol14 claims
- Eliquis12 claims
- Cefdinir11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $119.18
7 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Spencer Lin-For Leong among 1,881 internal medicine physician records in South Carolina
Spencer Lin-For Leong, M.D. is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 65% of them.
- NPI issued2017 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2006 among the 1,119 with a school on file
- Record last updated2021 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
95 internal medicine physician records list a practice address in Spartanburg
They are 95 of the 3,328 NPPES records with a practice address in Spartanburg, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Spartanburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Brown, M.D.Spartanburg, SC 293031134190077
- Jeffrey Craft, MDSpartanburg, SC 293031114907128
- Pamela Davenport, M.D.Spartanburg, SC 293031801867981
- Coy Eaton, M.D.Spartanburg, SC 293031245206234
- Nicholas Fleming, M.D.Spartanburg, SC 293031104892199
- John Fowler, MDSpartanburg, SC 293031538131933
- Dorotea Gabel, M.D.Spartanburg, SC 293031336110410
- Maria Gacha, MDSpartanburg, SC 293031154397065
Common questions
What is Spencer Lin-For Leong, M.D.'s NPI number?
Spencer Lin-For Leong, M.D.'s National Provider Identifier (NPI) is 1275066888, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Lin-For Leong, M.D. located?
The NPPES record lists a practice address at 101 E Wood St Ste 401, Spartanburg, SC, 29303. Phone: (864) 560-6654. Providers update this record themselves, so call before visiting.
How can I verify Spencer Lin-For Leong, M.D.'s license?
NPPES lists South Carolina license number 83981, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Spencer Lin-For Leong, M.D. prescribe under Medicare Part D?
In 2024, Spencer Lin-For Leong, M.D. had 284 Medicare Part D claims for 132 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Spencer Lin-For Leong, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.